Summarized Condensed Consolidating Information - Condensed Consolidating Income Statements (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Revenues:
Rental income	$ 24,179	$ 15,778	$ 67,857	$ 45,869
Tenant reimbursements	2,089	1,320	5,815	3,866
Independent living facilities	766	626	2,177	1,868
Interest and other income	72	261	587	716
Total revenues	27,106	17,985	76,436	52,319
Expenses:
Depreciation and amortization	8,248	5,815	23,433	17,093
Interest expense	5,743	7,221	17,370	19,111
Property taxes	2,089	1,320	5,815	3,866
Independent living facilities	708	610	1,926	1,778
Acquisition costs	203	0	203	0
General and administrative	2,283	2,292	6,724	5,440
Total expenses	19,274	17,258	55,471	47,288
Income in Subsidiary	0	0	0	0
Net income	7,832	727	20,965	5,031	$ 10,034
Reportable Legal Entities [Member] | Parent Guarantor [Member]
Revenues:
Rental income	0	0	0	0
Tenant reimbursements	0	0	0	0
Independent living facilities	0	0	0	0
Interest and other income	0	0	0	0
Total revenues	0	0	0	0
Expenses:
Depreciation and amortization	0	0	0	0
Interest expense	0	0	0	0
Property taxes	0	0	0	0
Independent living facilities	0	0	0	0
Acquisition costs	0		0
General and administrative	410	435	1,281	744
Total expenses	410	435	1,281	744
Income in Subsidiary	8,242	1,162	22,246	5,775
Net income	7,832	727	20,965	5,031
Reportable Legal Entities [Member] | Issuers [Member]
Revenues:
Rental income	10,063	1,778	25,702	3,869
Tenant reimbursements	875	91	2,138	220
Independent living facilities	0	0	0	0
Interest and other income	0	19	0	19
Total revenues	10,938	1,888	27,840	4,108
Expenses:
Depreciation and amortization	3,194	600	8,118	1,308
Interest expense	5,742	5,807	16,548	14,872
Property taxes	875	91	2,138	220
Independent living facilities	0	0	0	0
Acquisition costs	203		203
General and administrative	1,873	1,855	5,377	4,572
Total expenses	11,887	8,353	32,384	20,972
Income in Subsidiary	9,191	7,627	26,790	22,639
Net income	8,242	1,162	22,246	5,775
Reportable Legal Entities [Member] | Combined Subsidiary Guarantors [Member]
Revenues:
Rental income	11,368	11,275	33,949	33,825
Tenant reimbursements	1,091	1,112	3,290	3,297
Independent living facilities	766	626	2,177	1,868
Interest and other income	72	242	587	697
Total revenues	13,297	13,255	40,003	39,687
Expenses:
Depreciation and amortization	4,356	4,483	13,197	13,546
Interest expense	0	2	0	18
Property taxes	1,091	1,112	3,290	3,297
Independent living facilities	708	610	1,926	1,778
Acquisition costs	0		0
General and administrative	0	2	49	97
Total expenses	6,155	6,209	18,462	18,736
Income in Subsidiary	0	0	0	0
Net income	7,142	7,046	21,541	20,951
Reportable Legal Entities [Member] | Combined Non-Guarantor Subsidiaries [Member]
Revenues:
Rental income	2,748	2,725	8,206	8,175
Tenant reimbursements	123	117	387	349
Independent living facilities	0	0	0	0
Interest and other income	0	0	0	0
Total revenues	2,871	2,842	8,593	8,524
Expenses:
Depreciation and amortization	698	732	2,118	2,239
Interest expense	1	1,412	822	4,221
Property taxes	123	117	387	349
Independent living facilities	0	0	0	0
Acquisition costs	0		0
General and administrative	0	0	17	27
Total expenses	822	2,261	3,344	6,836
Income in Subsidiary	0	0	0	0
Net income	2,049	581	5,249	1,688
Elimination [Member]
Revenues:
Rental income	0	0	0	0
Tenant reimbursements	0	0	0	0
Independent living facilities	0	0	0	0
Interest and other income	0	0	0	0
Total revenues	0	0	0	0
Expenses:
Depreciation and amortization	0	0	0	0
Interest expense	0	0	0	0
Property taxes	0	0	0	0
Independent living facilities	0	0	0	0
Acquisition costs	0		0
General and administrative	0	0	0	0
Total expenses	0	0	0	0
Income in Subsidiary	(17,433)	(8,789)	(49,036)	(28,414)
Net income	$ (17,433)	$ (8,789)	$ (49,036)	$ (28,414)